document.write( "Question 456022: How do you solve rational expression using Lowest Common Denominator and cross multiplying?\r
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document.write( "5/a^2= (-4/a) +1\r
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document.write( "5 over a squared = (negative 4 over a) plus 1 \n" );
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Algebra.Com's Answer #313040 by edjones(8007)![]() ![]() You can put this solution on YOUR website! 5/a^2= (-4/a) +1 \n" ); document.write( "5=-4a+a^2 Multiply each side by a^2. \n" ); document.write( "a^2-4a-5=0 \n" ); document.write( "(a-5)(a+1)=0 \n" ); document.write( "a=5, a=-1 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |